Lexmark C950 Service Manual - Page 263

Image Quality Faint print (Low contrast) Leading edge 5058-030 Previous Next Go Back Trailing edge Before starting, check the media route for foreign objects, such as staples, clips, and scraps, in the media path. Step Check Yes No 1 Check the media condition. Problem solved. Go to step 2. Load new, dry, recommended media, and perform a print test. Go to "PRINT TESTS" on page 3-22. Is the image density normal? 2 Check the four toner cartridges for proper installation. Reprint the defective image. Problem solved. Replace any empty toner cartridges. Is the image density normal? 3 Check the toner add chutes to ensure that they are not Go to step 4. clogged. Problem solved. Does the problem remain? 4 Check the 2nd transfer roller for contamination and wear. Go to step 5. Is the 2nd transfer roller free of excess wear and contamination? 5 Check the four PC cartridges for proper installation. Check the PC cartridge connections. Go to step 6. Are the PC cartridge connections free of excess wear and contamination? Replace the 2nd transfer roller. Go to "2nd transfer roller removal" on page 4-24. Correct and clean contaminated pins, or replace the appropriate PC cartridge or connector. Diagnostic information 2-215